./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 19:52:17,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 19:52:17,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 19:52:17,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 19:52:17,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 19:52:17,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 19:52:17,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 19:52:17,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 19:52:17,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 19:52:17,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 19:52:17,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 19:52:17,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 19:52:17,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 19:52:17,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 19:52:17,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 19:52:17,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 19:52:17,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 19:52:17,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 19:52:17,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 19:52:17,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 19:52:17,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 19:52:17,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 19:52:17,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 19:52:17,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 19:52:17,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 19:52:17,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 19:52:17,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 19:52:17,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 19:52:17,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 19:52:17,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 19:52:17,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 19:52:17,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 19:52:17,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 19:52:17,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 19:52:17,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 19:52:17,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 19:52:17,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 19:52:17,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 19:52:17,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 19:52:17,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 19:52:17,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 19:52:17,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 19:52:17,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 19:52:17,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 19:52:17,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 19:52:17,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 19:52:17,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 19:52:17,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 19:52:17,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 19:52:17,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 19:52:17,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 19:52:17,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 19:52:17,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 19:52:17,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 19:52:17,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 19:52:17,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 19:52:17,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 19:52:17,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 19:52:17,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 19:52:17,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 19:52:17,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 19:52:17,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:52:17,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 19:52:17,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 19:52:17,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 19:52:17,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 19:52:17,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 19:52:17,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 19:52:17,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 19:52:17,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 19:52:17,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e [2022-11-02 19:52:18,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 19:52:18,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 19:52:18,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 19:52:18,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 19:52:18,045 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 19:52:18,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2022-11-02 19:52:18,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/data/b47d8e9ee/7bb20b865b8946edba881c21c089b4f3/FLAG38e8c9216 [2022-11-02 19:52:18,741 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 19:52:18,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2022-11-02 19:52:18,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/data/b47d8e9ee/7bb20b865b8946edba881c21c089b4f3/FLAG38e8c9216 [2022-11-02 19:52:19,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/data/b47d8e9ee/7bb20b865b8946edba881c21c089b4f3 [2022-11-02 19:52:19,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 19:52:19,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 19:52:19,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 19:52:19,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 19:52:19,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 19:52:19,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffbb3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19, skipping insertion in model container [2022-11-02 19:52:19,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 19:52:19,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 19:52:19,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2022-11-02 19:52:19,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:52:19,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 19:52:19,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2022-11-02 19:52:19,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:52:19,715 INFO L208 MainTranslator]: Completed translation [2022-11-02 19:52:19,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19 WrapperNode [2022-11-02 19:52:19,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 19:52:19,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 19:52:19,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 19:52:19,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 19:52:19,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,826 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-11-02 19:52:19,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 19:52:19,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 19:52:19,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 19:52:19,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 19:52:19,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 19:52:19,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 19:52:19,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 19:52:19,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 19:52:19,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (1/1) ... [2022-11-02 19:52:19,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:52:19,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:52:19,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 19:52:19,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 19:52:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 19:52:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 19:52:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 19:52:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 19:52:20,107 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 19:52:20,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 19:52:21,322 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 19:52:21,331 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 19:52:21,332 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 19:52:21,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:52:21 BoogieIcfgContainer [2022-11-02 19:52:21,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 19:52:21,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 19:52:21,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 19:52:21,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 19:52:21,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 07:52:19" (1/3) ... [2022-11-02 19:52:21,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58635a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:52:21, skipping insertion in model container [2022-11-02 19:52:21,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:19" (2/3) ... [2022-11-02 19:52:21,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58635a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:52:21, skipping insertion in model container [2022-11-02 19:52:21,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:52:21" (3/3) ... [2022-11-02 19:52:21,345 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2022-11-02 19:52:21,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 19:52:21,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 19:52:21,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 19:52:21,436 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d72fe19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 19:52:21,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 19:52:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 19:52:21,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:21,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:21,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:21,460 INFO L85 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2022-11-02 19:52:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:21,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521599353] [2022-11-02 19:52:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:21,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:21,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521599353] [2022-11-02 19:52:21,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521599353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:21,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:21,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 19:52:21,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539842213] [2022-11-02 19:52:21,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:21,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:21,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:22,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:22,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:22,006 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:22,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:22,966 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-11-02 19:52:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-02 19:52:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:23,006 INFO L225 Difference]: With dead ends: 552 [2022-11-02 19:52:23,006 INFO L226 Difference]: Without dead ends: 282 [2022-11-02 19:52:23,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:23,014 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 150 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:23,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 76 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 19:52:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-02 19:52:23,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-11-02 19:52:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2022-11-02 19:52:23,076 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 38 [2022-11-02 19:52:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:23,076 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2022-11-02 19:52:23,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2022-11-02 19:52:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-02 19:52:23,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:23,081 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 19:52:23,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:23,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1778439955, now seen corresponding path program 1 times [2022-11-02 19:52:23,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:23,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724557130] [2022-11-02 19:52:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:23,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:23,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:23,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724557130] [2022-11-02 19:52:23,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724557130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:23,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:23,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 19:52:23,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958485666] [2022-11-02 19:52:23,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:23,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:23,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:23,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:23,574 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:24,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:24,253 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2022-11-02 19:52:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:24,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-11-02 19:52:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:24,257 INFO L225 Difference]: With dead ends: 701 [2022-11-02 19:52:24,257 INFO L226 Difference]: Without dead ends: 421 [2022-11-02 19:52:24,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:24,259 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:24,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 19:52:24,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-11-02 19:52:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-11-02 19:52:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2022-11-02 19:52:24,282 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 107 [2022-11-02 19:52:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:24,283 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2022-11-02 19:52:24,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2022-11-02 19:52:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 19:52:24,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:24,287 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:24,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 19:52:24,288 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:24,288 INFO L85 PathProgramCache]: Analyzing trace with hash -651687484, now seen corresponding path program 1 times [2022-11-02 19:52:24,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:24,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934500319] [2022-11-02 19:52:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:24,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:24,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934500319] [2022-11-02 19:52:24,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934500319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:24,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:24,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 19:52:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477831526] [2022-11-02 19:52:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:24,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 19:52:24,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:24,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 19:52:24,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 19:52:24,704 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:25,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:25,709 INFO L93 Difference]: Finished difference Result 998 states and 1484 transitions. [2022-11-02 19:52:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:52:25,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-02 19:52:25,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:25,713 INFO L225 Difference]: With dead ends: 998 [2022-11-02 19:52:25,713 INFO L226 Difference]: Without dead ends: 699 [2022-11-02 19:52:25,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 19:52:25,716 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 69 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:25,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 59 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 19:52:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-11-02 19:52:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2022-11-02 19:52:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.478510028653295) internal successors, (1032), 698 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1032 transitions. [2022-11-02 19:52:25,770 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1032 transitions. Word has length 113 [2022-11-02 19:52:25,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:25,771 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 1032 transitions. [2022-11-02 19:52:25,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1032 transitions. [2022-11-02 19:52:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-02 19:52:25,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:25,776 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:25,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 19:52:25,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:25,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash 715593968, now seen corresponding path program 1 times [2022-11-02 19:52:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:25,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604303243] [2022-11-02 19:52:25,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:26,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:26,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604303243] [2022-11-02 19:52:26,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604303243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:26,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:26,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 19:52:26,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113715915] [2022-11-02 19:52:26,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:26,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:26,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:26,048 INFO L87 Difference]: Start difference. First operand 699 states and 1032 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:26,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:26,716 INFO L93 Difference]: Finished difference Result 1952 states and 2918 transitions. [2022-11-02 19:52:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:26,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-11-02 19:52:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:26,722 INFO L225 Difference]: With dead ends: 1952 [2022-11-02 19:52:26,722 INFO L226 Difference]: Without dead ends: 1255 [2022-11-02 19:52:26,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:26,725 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 51 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:26,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 78 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 19:52:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-11-02 19:52:26,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977. [2022-11-02 19:52:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.3565573770491803) internal successors, (1324), 976 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1324 transitions. [2022-11-02 19:52:26,765 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1324 transitions. Word has length 132 [2022-11-02 19:52:26,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:26,765 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1324 transitions. [2022-11-02 19:52:26,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1324 transitions. [2022-11-02 19:52:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-02 19:52:26,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:26,772 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:26,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 19:52:26,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:26,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash -555992780, now seen corresponding path program 1 times [2022-11-02 19:52:26,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:26,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259931912] [2022-11-02 19:52:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:27,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:27,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259931912] [2022-11-02 19:52:27,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259931912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:27,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:27,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 19:52:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002336733] [2022-11-02 19:52:27,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:27,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 19:52:27,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:27,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 19:52:27,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 19:52:27,294 INFO L87 Difference]: Start difference. First operand 977 states and 1324 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:27,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:27,986 INFO L93 Difference]: Finished difference Result 1833 states and 2518 transitions. [2022-11-02 19:52:27,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 19:52:27,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2022-11-02 19:52:27,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:27,994 INFO L225 Difference]: With dead ends: 1833 [2022-11-02 19:52:27,994 INFO L226 Difference]: Without dead ends: 997 [2022-11-02 19:52:27,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:52:28,001 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 90 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:28,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 93 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 19:52:28,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-11-02 19:52:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 977. [2022-11-02 19:52:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.3514344262295082) internal successors, (1319), 976 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1319 transitions. [2022-11-02 19:52:28,029 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1319 transitions. Word has length 156 [2022-11-02 19:52:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:28,031 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1319 transitions. [2022-11-02 19:52:28,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1319 transitions. [2022-11-02 19:52:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-02 19:52:28,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:28,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:28,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 19:52:28,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1954640871, now seen corresponding path program 1 times [2022-11-02 19:52:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:28,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110369840] [2022-11-02 19:52:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-02 19:52:28,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:28,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110369840] [2022-11-02 19:52:28,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110369840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:28,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:28,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 19:52:28,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436610572] [2022-11-02 19:52:28,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:28,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:28,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:28,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:28,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:28,224 INFO L87 Difference]: Start difference. First operand 977 states and 1319 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:28,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:28,843 INFO L93 Difference]: Finished difference Result 2230 states and 3079 transitions. [2022-11-02 19:52:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:28,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2022-11-02 19:52:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:28,850 INFO L225 Difference]: With dead ends: 2230 [2022-11-02 19:52:28,850 INFO L226 Difference]: Without dead ends: 1394 [2022-11-02 19:52:28,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:28,856 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:28,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 19:52:28,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2022-11-02 19:52:28,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2022-11-02 19:52:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.2814070351758795) internal successors, (1785), 1393 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1785 transitions. [2022-11-02 19:52:28,895 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1785 transitions. Word has length 173 [2022-11-02 19:52:28,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:28,896 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1785 transitions. [2022-11-02 19:52:28,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:28,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1785 transitions. [2022-11-02 19:52:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-02 19:52:28,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:28,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:28,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 19:52:28,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:28,901 INFO L85 PathProgramCache]: Analyzing trace with hash 510441368, now seen corresponding path program 1 times [2022-11-02 19:52:28,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:28,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784966957] [2022-11-02 19:52:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:29,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784966957] [2022-11-02 19:52:29,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784966957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:29,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:29,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 19:52:29,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986530209] [2022-11-02 19:52:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:29,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:29,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:29,087 INFO L87 Difference]: Start difference. First operand 1394 states and 1785 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:29,691 INFO L93 Difference]: Finished difference Result 3203 states and 4181 transitions. [2022-11-02 19:52:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:29,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2022-11-02 19:52:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:29,699 INFO L225 Difference]: With dead ends: 3203 [2022-11-02 19:52:29,699 INFO L226 Difference]: Without dead ends: 1950 [2022-11-02 19:52:29,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:29,704 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 69 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:29,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 215 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 19:52:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-11-02 19:52:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1672. [2022-11-02 19:52:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.24655894673848) internal successors, (2083), 1671 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2083 transitions. [2022-11-02 19:52:29,752 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2083 transitions. Word has length 179 [2022-11-02 19:52:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:29,752 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 2083 transitions. [2022-11-02 19:52:29,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2083 transitions. [2022-11-02 19:52:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-02 19:52:29,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:29,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:29,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 19:52:29,758 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:29,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:29,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1308011704, now seen corresponding path program 1 times [2022-11-02 19:52:29,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:29,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318728791] [2022-11-02 19:52:29,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:29,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:30,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:30,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318728791] [2022-11-02 19:52:30,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318728791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:30,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:30,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 19:52:30,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345082276] [2022-11-02 19:52:30,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:30,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:30,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:30,027 INFO L87 Difference]: Start difference. First operand 1672 states and 2083 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:30,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:30,626 INFO L93 Difference]: Finished difference Result 3759 states and 4777 transitions. [2022-11-02 19:52:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:30,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2022-11-02 19:52:30,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:30,635 INFO L225 Difference]: With dead ends: 3759 [2022-11-02 19:52:30,635 INFO L226 Difference]: Without dead ends: 2228 [2022-11-02 19:52:30,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:30,640 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 77 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:30,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 189 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 19:52:30,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-11-02 19:52:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1811. [2022-11-02 19:52:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.181767955801105) internal successors, (2139), 1810 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2139 transitions. [2022-11-02 19:52:30,708 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2139 transitions. Word has length 227 [2022-11-02 19:52:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:30,711 INFO L495 AbstractCegarLoop]: Abstraction has 1811 states and 2139 transitions. [2022-11-02 19:52:30,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2139 transitions. [2022-11-02 19:52:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-02 19:52:30,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:30,717 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:30,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 19:52:30,719 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:30,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1226512020, now seen corresponding path program 1 times [2022-11-02 19:52:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:30,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223430486] [2022-11-02 19:52:30,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:30,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 228 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:31,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:31,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223430486] [2022-11-02 19:52:31,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223430486] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 19:52:31,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570381719] [2022-11-02 19:52:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:31,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:52:31,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:52:31,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 19:52:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:31,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 19:52:31,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:52:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 125 proven. 122 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-02 19:52:33,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:52:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 125 proven. 122 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-02 19:52:35,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570381719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 19:52:35,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 19:52:35,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-02 19:52:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706869831] [2022-11-02 19:52:35,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 19:52:35,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 19:52:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:35,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 19:52:35,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-02 19:52:35,448 INFO L87 Difference]: Start difference. First operand 1811 states and 2139 transitions. Second operand has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:40,634 INFO L93 Difference]: Finished difference Result 7853 states and 9218 transitions. [2022-11-02 19:52:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-02 19:52:40,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2022-11-02 19:52:40,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:40,655 INFO L225 Difference]: With dead ends: 7853 [2022-11-02 19:52:40,656 INFO L226 Difference]: Without dead ends: 6183 [2022-11-02 19:52:40,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=429, Unknown=0, NotChecked=0, Total=650 [2022-11-02 19:52:40,659 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2719 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 3479 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 3479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:40,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 74 Invalid, 4219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [740 Valid, 3479 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-02 19:52:40,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6183 states. [2022-11-02 19:52:40,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6183 to 2506. [2022-11-02 19:52:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2505 states have (on average 1.1572854291417165) internal successors, (2899), 2505 states have internal predecessors, (2899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2899 transitions. [2022-11-02 19:52:40,747 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2899 transitions. Word has length 261 [2022-11-02 19:52:40,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:40,748 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 2899 transitions. [2022-11-02 19:52:40,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2899 transitions. [2022-11-02 19:52:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-02 19:52:40,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:40,754 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:40,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 19:52:40,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:40,971 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:40,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1065311159, now seen corresponding path program 1 times [2022-11-02 19:52:40,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:40,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664682103] [2022-11-02 19:52:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:40,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 77 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:41,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:41,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664682103] [2022-11-02 19:52:41,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664682103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 19:52:41,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105426699] [2022-11-02 19:52:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:41,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:52:41,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:52:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 19:52:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:41,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 19:52:41,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:52:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-02 19:52:41,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 19:52:41,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105426699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:41,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 19:52:41,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-02 19:52:41,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998255171] [2022-11-02 19:52:41,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:41,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:41,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:41,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:41,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:52:41,759 INFO L87 Difference]: Start difference. First operand 2506 states and 2899 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:42,353 INFO L93 Difference]: Finished difference Result 5427 states and 6384 transitions. [2022-11-02 19:52:42,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 286 [2022-11-02 19:52:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:42,365 INFO L225 Difference]: With dead ends: 5427 [2022-11-02 19:52:42,365 INFO L226 Difference]: Without dead ends: 3062 [2022-11-02 19:52:42,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:52:42,368 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:42,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 226 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 19:52:42,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2022-11-02 19:52:42,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2645. [2022-11-02 19:52:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2644 states have (on average 1.1395612708018155) internal successors, (3013), 2644 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3013 transitions. [2022-11-02 19:52:42,460 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3013 transitions. Word has length 286 [2022-11-02 19:52:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:42,461 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3013 transitions. [2022-11-02 19:52:42,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3013 transitions. [2022-11-02 19:52:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-02 19:52:42,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:42,468 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:42,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 19:52:42,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:42,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:42,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:42,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1398974089, now seen corresponding path program 1 times [2022-11-02 19:52:42,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:42,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276434439] [2022-11-02 19:52:42,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:42,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 180 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:52:43,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:43,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276434439] [2022-11-02 19:52:43,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276434439] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 19:52:43,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48281805] [2022-11-02 19:52:43,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:43,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:52:43,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:52:43,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 19:52:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:43,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 19:52:43,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:52:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-02 19:52:43,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 19:52:43,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48281805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:43,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 19:52:43,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-02 19:52:43,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861789804] [2022-11-02 19:52:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:43,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:43,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:43,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:52:43,695 INFO L87 Difference]: Start difference. First operand 2645 states and 3013 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:44,245 INFO L93 Difference]: Finished difference Result 5149 states and 5881 transitions. [2022-11-02 19:52:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:44,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2022-11-02 19:52:44,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:44,254 INFO L225 Difference]: With dead ends: 5149 [2022-11-02 19:52:44,254 INFO L226 Difference]: Without dead ends: 2645 [2022-11-02 19:52:44,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:52:44,257 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:44,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 19:52:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2022-11-02 19:52:44,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2645. [2022-11-02 19:52:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2644 states have (on average 1.126323751891074) internal successors, (2978), 2644 states have internal predecessors, (2978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 2978 transitions. [2022-11-02 19:52:44,316 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 2978 transitions. Word has length 300 [2022-11-02 19:52:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:44,317 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 2978 transitions. [2022-11-02 19:52:44,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2978 transitions. [2022-11-02 19:52:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 19:52:44,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:44,325 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:44,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 19:52:44,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:52:44,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:44,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:44,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1472236450, now seen corresponding path program 1 times [2022-11-02 19:52:44,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:44,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312477083] [2022-11-02 19:52:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:44,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-02 19:52:44,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:44,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312477083] [2022-11-02 19:52:44,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312477083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:44,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:44,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 19:52:44,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038234806] [2022-11-02 19:52:44,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:44,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 19:52:44,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:44,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 19:52:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:44,777 INFO L87 Difference]: Start difference. First operand 2645 states and 2978 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:45,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:45,392 INFO L93 Difference]: Finished difference Result 5703 states and 6411 transitions. [2022-11-02 19:52:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 19:52:45,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2022-11-02 19:52:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:45,396 INFO L225 Difference]: With dead ends: 5703 [2022-11-02 19:52:45,396 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 19:52:45,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 19:52:45,400 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 104 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:45,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 223 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 19:52:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 19:52:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 19:52:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 19:52:45,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 310 [2022-11-02 19:52:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:45,402 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 19:52:45,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 19:52:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 19:52:45,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 19:52:45,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 19:52:45,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 19:52:45,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 19:52:47,114 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-11-02 19:52:47,114 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-11-02 19:52:47,114 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-11-02 19:52:47,114 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-11-02 19:52:47,115 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-11-02 19:52:47,115 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-11-02 19:52:47,115 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-02 19:52:47,116 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-11-02 19:52:47,117 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,118 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-02 19:52:47,119 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,120 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-11-02 19:52:47,121 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-11-02 19:52:47,122 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,123 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-02 19:52:47,124 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,125 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-11-02 19:52:47,126 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-11-02 19:52:47,127 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,128 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-02 19:52:47,129 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-02 19:52:47,130 INFO L895 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse8 (div ~a1~0 5))) (let ((.cse5 (= ~a10~0 0)) (.cse3 (= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse4 (= ~a10~0 2)) (.cse0 (<= ~a19~0 9)) (.cse6 (< 0 (+ 331284 .cse8))) (.cse7 (or (< 0 (+ 331283 .cse8)) (not (= (mod ~a1~0 5) 0))))) (or (and .cse0 .cse1 .cse2 (not (<= ~a1~0 218))) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and .cse5 .cse6 .cse7) (and .cse0 .cse6 .cse7 (<= ~a19~0 7)) (and .cse5 .cse3 .cse1 .cse2) (and .cse3 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse6 .cse7 .cse4) (and (= ~a10~0 1) .cse6 .cse7 (<= 9 ~a19~0)) (and .cse0 (<= 4 ~a10~0) .cse6 .cse7)))) [2022-11-02 19:52:47,130 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-11-02 19:52:47,130 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-11-02 19:52:47,130 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-11-02 19:52:47,130 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-11-02 19:52:47,131 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-02 19:52:47,132 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 19:52:47,133 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-02 19:52:47,134 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-11-02 19:52:47,135 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-11-02 19:52:47,136 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-02 19:52:47,137 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-11-02 19:52:47,138 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-11-02 19:52:47,138 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-11-02 19:52:47,138 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse8 (div ~a1~0 5))) (let ((.cse5 (= ~a10~0 0)) (.cse3 (= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse4 (= ~a10~0 2)) (.cse0 (<= ~a19~0 9)) (.cse6 (< 0 (+ 331284 .cse8))) (.cse7 (or (< 0 (+ 331283 .cse8)) (not (= (mod ~a1~0 5) 0))))) (or (and .cse0 .cse1 .cse2 (not (<= ~a1~0 218))) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and .cse5 .cse6 .cse7) (and .cse0 .cse6 .cse7 (<= ~a19~0 7)) (and .cse5 .cse3 .cse1 .cse2) (and .cse3 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse6 .cse7 .cse4) (and (= ~a10~0 1) .cse6 .cse7 (<= 9 ~a19~0)) (and .cse0 (<= 4 ~a10~0) .cse6 .cse7)))) [2022-11-02 19:52:47,138 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-11-02 19:52:47,138 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,138 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-11-02 19:52:47,139 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-02 19:52:47,140 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,141 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-11-02 19:52:47,142 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-02 19:52:47,143 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-02 19:52:47,146 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:47,149 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 19:52:47,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 07:52:47 BoogieIcfgContainer [2022-11-02 19:52:47,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 19:52:47,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 19:52:47,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 19:52:47,170 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 19:52:47,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:52:21" (3/4) ... [2022-11-02 19:52:47,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 19:52:47,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 19:52:47,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 19:52:47,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 19:52:47,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 19:52:47,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 19:52:47,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 19:52:47,323 INFO L158 Benchmark]: Toolchain (without parser) took 28287.56ms. Allocated memory was 96.5MB in the beginning and 337.6MB in the end (delta: 241.2MB). Free memory was 53.6MB in the beginning and 190.9MB in the end (delta: -137.3MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,324 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 19:52:47,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.84ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 54.9MB in the end (delta: -1.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.93ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 46.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,326 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 41.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,326 INFO L158 Benchmark]: RCFGBuilder took 1444.72ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 41.9MB in the beginning and 70.5MB in the end (delta: -28.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,327 INFO L158 Benchmark]: TraceAbstraction took 25832.06ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 69.6MB in the beginning and 200.3MB in the end (delta: -130.7MB). Peak memory consumption was 174.7MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,327 INFO L158 Benchmark]: Witness Printer took 153.54ms. Allocated memory is still 337.6MB. Free memory was 200.3MB in the beginning and 190.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 19:52:47,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.84ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 54.9MB in the end (delta: -1.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.93ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 46.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 41.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1444.72ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 41.9MB in the beginning and 70.5MB in the end (delta: -28.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 25832.06ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 69.6MB in the beginning and 200.3MB in the end (delta: -130.7MB). Peak memory consumption was 174.7MB. Max. memory is 16.1GB. * Witness Printer took 153.54ms. Allocated memory is still 337.6MB. Free memory was 200.3MB in the beginning and 190.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 128]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3700 mSDsluCounter, 1338 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 1479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7917 IncrementalHoareTripleChecker+Invalid, 9396 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1479 mSolverCounterUnsat, 1218 mSDtfsCounter, 7917 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1157 GetRequests, 1113 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=10, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 5087 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 425 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1265 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6248 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3129 NumberOfCodeBlocks, 3129 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3374 ConstructedInterpolants, 0 QuantifiedInterpolants, 18075 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1240 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 2279/2860 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((a19 <= 9 && 14 == a4) && a12 == 0) && !(a1 <= 218)) || ((((a19 <= 9 && a19 == 9) && 14 == a4) && a10 == 2) && a12 == 0)) || ((a10 == 0 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0)))) || (((a19 <= 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && a19 <= 7)) || (((a10 == 0 && a19 == 9) && 14 == a4) && a12 == 0)) || ((((a19 == 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && a10 == 2)) || (((a10 == 1 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && 9 <= a19)) || (((a19 <= 9 && 4 <= a10) && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((a19 <= 9 && 14 == a4) && a12 == 0) && !(a1 <= 218)) || ((((a19 <= 9 && a19 == 9) && 14 == a4) && a10 == 2) && a12 == 0)) || ((a10 == 0 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0)))) || (((a19 <= 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && a19 <= 7)) || (((a10 == 0 && a19 == 9) && 14 == a4) && a12 == 0)) || ((((a19 == 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && a10 == 2)) || (((a10 == 1 && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) && 9 <= a19)) || (((a19 <= 9 && 4 <= a10) && 0 < 331284 + a1 / 5) && (0 < 331283 + a1 / 5 || !(a1 % 5 == 0))) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 19:52:47,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc0a064-b4c0-4365-a011-5f6379248c57/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE